Backed out changeset 2d981ccf4c2e (bug 1298328) for failing X tests on /experiments/test/xpcshell/test_conditions.js on a CLOSED TREE

/* vim: se cin sw=2 ts=2 et : *//* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */#include "nsITaskbarPreview.idl"interface imgIContainer;/* * nsITaskbarTabPreview * * This interface controls tab preview-specific behavior. Creating an * nsITaskbarTabPreview for a window will hide that window's * nsITaskbarWindowPreview in the taskbar - the native API performs this * unconditionally. When there are no more tab previews for a window, the * nsITaskbarWindowPreview will automatically become visible again. * * An application may have as many tab previews per window as memory allows. * */[scriptable, uuid(11E4C8BD-5C2D-4E1A-A9A1-79DD5B0FE544)]interface nsITaskbarTabPreview : nsITaskbarPreview{ /** * The title displayed above the thumbnail * * Default: an empty string */ attribute DOMString title; /** * The icon displayed next to the title in the preview * * Default: null */ attribute imgIContainer icon; /** * Rearranges the preview relative to another tab preview from the same window * @param aNext The preview to the right of this one. A value of null * indicates that the preview is the rightmost one. */ void move(in nsITaskbarTabPreview aNext); /** * Used internally to grab the handle to the proxy window. */ [notxpcom] nativeWindow GetHWND(); /** * Used internally to ensure that the taskbar knows about this preview. If a * preview is not registered, then the API call to set its sibling (via move) * will silently fail. * * This method is only invoked when it is safe to make taskbar API calls. */ [notxpcom] void EnsureRegistration();};